weather forecast September 8, 2020 5:42 pm NBC10 First Alert Weather: Muggy and Stormy Days Ahead We’re in for muggy and rainy conditions this week. NBC10 First Alert Weather meteorologist Krystal Klei has the forecast. US & World Videos 2:44 Gray, warmer Monday 2:24 Gray Monday 2:00 Dreary Monday weather 2:36 Gloomy weather sticks around for Sunday's Broad Street Run 2:44 Cloudy, chance for rain this weekend